The physician orders Garamycin (gentamicin)25 mg IVPB q.8h.for a child. If the label on the Garamycin vial reads 5 mg/mL,how many milliliters will you withdraw from the vial to add to the volume control chamber? If the recommended concentration of the solution for infusion is 2 mg/mL,how would you then dilute the medication in the volume control chamber (VCC)?

Question

Quizplus · Accepted Answer

To administer 25 mg of gentamicin, you need to withdraw 5 mL from the vial (since 5 mg/mL x 5 mL = 25 mg). To achieve the recommended concentration of 2 mg/mL, you need a total volume of 12.5 mL (since 25 mg / 2 mg/mL = 12.5 mL). Therefore, add IV fluid to the VCC to reach 12.5 mL.

The Physician Orders Garamycin (Gentamicin)25 Mg IVPB Q